123054204543121 has 8 divisors (see below), whose sum is σ = 123395875754624. Its totient is φ = 122712567971760.

The previous prime is 123054204543119. The next prime is 123054204543173. The reversal of 123054204543121 is 121345402450321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123054204543121 - 2¹ = 123054204543119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123054204543181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537335 + ... + 15762988.

It is an arithmetic number, because the mean of its divisors is an integer number (15424484469328).

Almost surely, 2^{123054204543121} is an apocalyptic number.

It is an amenable number.

123054204543121 is a deficient number, since it is larger than the sum of its proper divisors (341671211503).

123054204543121 is a wasteful number, since it uses less digits than its factorization.

123054204543121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17320071.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 123054204543121 its reverse (121345402450321), we get a palindrome (244399606993442).

The spelling of 123054204543121 in words is "one hundred twenty-three trillion, fifty-four billion, two hundred four million, five hundred forty-three thousand, one hundred twenty-one".